nationality [nationalities](membership of a nation or state) noun [UK: ˌnæ.ʃə.ˈnæ.lɪ.ti] [US: ˌnæ.ʃə.ˈnæ.lə.ti]I don't have the Polish nationality. = No tengo nacionalidad polaca.
nacionalidad doble noun
dual citizenship(status of being a citizen of two countries) noun [UK: ˈdjuːəl ˈsɪ.tɪ.zən.ʃɪp] [US: ˈduːəl ˈsɪ.tə.zən.ˌʃɪp]