кировском

In a sentence

• Я недавно был в Кировском районе города.

  I recently visited the Kirov district of the city.

  Here, 'кировском' is the prepositional case of 'Кировский', used as a proper adjective to describe the district name, coordinated with the noun 'районе'.

• В Кировском театре я видел прекрасный спектакль.

  At the Kirov Theater, I watched a wonderful play.

  Here, 'Кировском' is the prepositional case of 'Кировский', referring to a theater named after a notable figure or place, working as a descriptive adjective in agreement with 'театре'.

• Мы прогуливались по Кировскому бульвару вчера вечером.

  We strolled along Kirov Boulevard last evening.

  Here, 'Кировскому' is in the dative case, paired with 'по' to indicate a location associated with the boulevard named 'Кировский', functioning as an adjective for 'бульвару'.