The following regions and districts can be referred to Poltavschyna:

Poltava region: Velyka Bahachka, Hadiach, Hlobyno, Hrebintsi, Dykanka, Zinkiv, Karlivtsi, Kobeliaky, Kozelschyna, Kotelva, Kremenchuk, Lokhvytsi, Lubny, Mashivka, Myrhorod, Novi Sanzhary, Orzhytsia Pyriatyn, Poltava, Reshetylivka, Semenika, Khorol, Chornukhakh, Chutove and Shyshaky districts

Sumy region: Lebedyn, Lypova Dolyna, Nedruhailiv, Okhtyrka and Romny districts

Chernihiv region: Varva, Ichnia, Pryluky, Sribne and Talalaivka districts