Brazzaville (a city, the capital city of the Republic of the Congo)

cucumber

The hiragana syllable ぷ (pu). Its equivalent in katakana is プ (pu).

whitecaps of the offing / 立田山 (Tatsuta-yama, “Mount Tatsuta”), pun on 立つ (tatsu, “to stand”) / 知らず (shirazu, “not knowing (about)”)