Maist o Ukraine's oblasts are namit efter their caipital ceeties, offeecially referred tae as ""oblast centres"" (Ukrainian: обласний центр, translit. oblasnyi tsentr). The name o each oblast is a relative adjective, formit bi addin a feminine suffix tae the name o respective centre ceety: Poltava is the centre o the Poltavs’ka oblast’ (Poltava Oblast). Maist oblasts are an aw sometimes referred tae in a feminine noun form, follaein the convention o traditional regional place names, endin wi the suffix ""-shchyna"", as is the case wi the Poltava Oblast, Poltavshchyna.