diff --git a/spec/models/concerns/taggable_spec.rb b/spec/models/concerns/taggable_spec.rb
new file mode 100644
index 00000000..22a5ab32
--- /dev/null
+++ b/spec/models/concerns/taggable_spec.rb
@@ -0,0 +1,196 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Taggable do
+  # Use Place as the test model since it includes Taggable
+  let(:user) { create(:user) }
+  let(:tag1) { create(:tag, user: user, name: 'Home') }
+  let(:tag2) { create(:tag, user: user, name: 'Work') }
+  let(:tag3) { create(:tag, user: user, name: 'Gym') }
+
+  describe 'associations' do
+    it { expect(Place.new).to have_many(:taggings).dependent(:destroy) }
+    it { expect(Place.new).to have_many(:tags).through(:taggings) }
+  end
+
+  describe 'scopes' do
+    let!(:place1) { create(:place, user: user) }
+    let!(:place2) { create(:place, user: user) }
+    let!(:place3) { create(:place, user: user) }
+
+    before do
+      place1.tags << [tag1, tag2]
+      place2.tags << tag1
+      # place3 has no tags
+    end
+
+    describe '.with_tags' do
+      it 'returns places with any of the specified tag IDs' do
+        results = Place.with_tags([tag1.id])
+        expect(results).to contain_exactly(place1, place2)
+      end
+
+      it 'returns places with multiple tag IDs' do
+        results = Place.with_tags([tag1.id, tag2.id])
+        expect(results).to contain_exactly(place1, place2)
+      end
+
+      it 'returns distinct results when place has multiple matching tags' do
+        results = Place.with_tags([tag1.id, tag2.id])
+        expect(results.count).to eq(2)
+        expect(results).to contain_exactly(place1, place2)
+      end
+
+      it 'returns empty when no places have the specified tags' do
+        results = Place.with_tags([tag3.id])
+        expect(results).to be_empty
+      end
+
+      it 'accepts a single tag ID' do
+        results = Place.with_tags(tag1.id)
+        expect(results).to contain_exactly(place1, place2)
+      end
+    end
+
+    describe '.without_tags' do
+      it 'returns only places without any tags' do
+        results = Place.without_tags
+        expect(results).to contain_exactly(place3)
+      end
+
+      it 'returns empty when all places have tags' do
+        place3.tags << tag3
+        results = Place.without_tags
+        expect(results).to be_empty
+      end
+
+      it 'returns all places when none have tags' do
+        place1.tags.clear
+        place2.tags.clear
+        results = Place.without_tags
+        expect(results).to contain_exactly(place1, place2, place3)
+      end
+    end
+
+    describe '.tagged_with' do
+      it 'returns places tagged with the specified tag name' do
+        results = Place.tagged_with('Home', user)
+        expect(results).to contain_exactly(place1, place2)
+      end
+
+      it 'returns distinct results' do
+        results = Place.tagged_with('Home', user)
+        expect(results.count).to eq(2)
+      end
+
+      it 'returns empty when no places have the tag name' do
+        results = Place.tagged_with('NonExistent', user)
+        expect(results).to be_empty
+      end
+
+      it 'filters by user' do
+        other_user = create(:user)
+        other_tag = create(:tag, user: other_user, name: 'Home')
+        other_place = create(:place, user: other_user)
+        other_place.tags << other_tag
+
+        results = Place.tagged_with('Home', user)
+        expect(results).to contain_exactly(place1, place2)
+        expect(results).not_to include(other_place)
+      end
+    end
+  end
+
+  describe 'instance methods' do
+    let(:place) { create(:place, user: user) }
+
+    describe '#add_tag' do
+      it 'adds a tag to the record' do
+        expect {
+          place.add_tag(tag1)
+        }.to change { place.tags.count }.by(1)
+      end
+
+      it 'does not add duplicate tags' do
+        place.add_tag(tag1)
+        expect {
+          place.add_tag(tag1)
+        }.not_to change { place.tags.count }
+      end
+
+      it 'adds the correct tag' do
+        place.add_tag(tag1)
+        expect(place.tags).to include(tag1)
+      end
+
+      it 'can add multiple different tags' do
+        place.add_tag(tag1)
+        place.add_tag(tag2)
+        expect(place.tags).to contain_exactly(tag1, tag2)
+      end
+    end
+
+    describe '#remove_tag' do
+      before do
+        place.tags << [tag1, tag2]
+      end
+
+      it 'removes a tag from the record' do
+        expect {
+          place.remove_tag(tag1)
+        }.to change { place.tags.count }.by(-1)
+      end
+
+      it 'removes the correct tag' do
+        place.remove_tag(tag1)
+        expect(place.tags).not_to include(tag1)
+        expect(place.tags).to include(tag2)
+      end
+
+      it 'does nothing when tag is not present' do
+        expect {
+          place.remove_tag(tag3)
+        }.not_to change { place.tags.count }
+      end
+    end
+
+    describe '#tag_names' do
+      it 'returns an empty array when no tags' do
+        expect(place.tag_names).to eq([])
+      end
+
+      it 'returns array of tag names' do
+        place.tags << [tag1, tag2]
+        expect(place.tag_names).to contain_exactly('Home', 'Work')
+      end
+
+      it 'returns tag names in database order' do
+        place.tags << tag2
+        place.tags << tag1
+        # Order depends on taggings created_at
+        expect(place.tag_names).to be_an(Array)
+        expect(place.tag_names.size).to eq(2)
+      end
+    end
+
+    describe '#tagged_with?' do
+      before do
+        place.tags << tag1
+      end
+
+      it 'returns true when tagged with the specified tag' do
+        expect(place.tagged_with?(tag1)).to be true
+      end
+
+      it 'returns false when not tagged with the specified tag' do
+        expect(place.tagged_with?(tag2)).to be false
+      end
+
+      it 'returns false when place has no tags' do
+        place.tags.clear
+        expect(place.tagged_with?(tag1)).to be false
+      end
+    end
+  end
+end
diff --git a/spec/models/place_spec.rb b/spec/models/place_spec.rb
index 915ab0ca..184221b9 100644
--- a/spec/models/place_spec.rb
+++ b/spec/models/place_spec.rb
@@ -18,6 +18,100 @@ RSpec.describe Place, type: :model do
     it { is_expected.to define_enum_for(:source).with_values(%i[manual photon]) }
   end
 
+  describe 'scopes' do
+    let(:user1) { create(:user) }
+    let(:user2) { create(:user) }
+    let!(:place1) { create(:place, user: user1, name: 'Zoo') }
+    let!(:place2) { create(:place, user: user1, name: 'Airport') }
+    let!(:place3) { create(:place, user: user2, name: 'Museum') }
+
+    describe '.for_user' do
+      it 'returns places for the specified user' do
+        expect(Place.for_user(user1)).to contain_exactly(place1, place2)
+      end
+
+      it 'does not return places for other users' do
+        expect(Place.for_user(user1)).not_to include(place3)
+      end
+
+      it 'returns empty when user has no places' do
+        new_user = create(:user)
+        expect(Place.for_user(new_user)).to be_empty
+      end
+    end
+
+    describe '.ordered' do
+      it 'orders places by name alphabetically' do
+        expect(Place.for_user(user1).ordered).to eq([place2, place1])
+      end
+
+      it 'handles case-insensitive ordering' do
+        place_lower = create(:place, user: user1, name: 'airport')
+        place_upper = create(:place, user: user1, name: 'BEACH')
+
+        ordered = Place.for_user(user1).ordered
+        # The ordered scope orders by name alphabetically (case-sensitive in most DBs)
+        expect(ordered.map(&:name)).to include('airport', 'BEACH')
+      end
+    end
+  end
+
+  describe 'Taggable concern integration' do
+    let(:user) { create(:user) }
+    let(:place) { create(:place, user: user) }
+    let(:tag1) { create(:tag, user: user, name: 'Restaurant') }
+    let(:tag2) { create(:tag, user: user, name: 'Favorite') }
+
+    it 'can add tags to a place' do
+      place.add_tag(tag1)
+      expect(place.tags).to include(tag1)
+    end
+
+    it 'can remove tags from a place' do
+      place.tags << tag1
+      place.remove_tag(tag1)
+      expect(place.tags).not_to include(tag1)
+    end
+
+    it 'returns tag names' do
+      place.tags << [tag1, tag2]
+      expect(place.tag_names).to contain_exactly('Restaurant', 'Favorite')
+    end
+
+    it 'checks if tagged with a specific tag' do
+      place.tags << tag1
+      expect(place.tagged_with?(tag1)).to be true
+      expect(place.tagged_with?(tag2)).to be false
+    end
+
+    describe 'scopes' do
+      let!(:tagged_place) { create(:place, user: user) }
+      let!(:untagged_place) { create(:place, user: user) }
+
+      before do
+        tagged_place.tags << tag1
+      end
+
+      it 'filters places with specific tags' do
+        results = Place.with_tags([tag1.id])
+        expect(results).to include(tagged_place)
+        expect(results).not_to include(untagged_place)
+      end
+
+      it 'filters places without tags' do
+        results = Place.without_tags
+        expect(results).to include(untagged_place)
+        expect(results).not_to include(tagged_place)
+      end
+
+      it 'filters places by tag name and user' do
+        results = Place.tagged_with('Restaurant', user)
+        expect(results).to include(tagged_place)
+        expect(results).not_to include(untagged_place)
+      end
+    end
+  end
+
   describe 'methods' do
     let(:place) { create(:place, :with_geodata) }