Complex sentence: Before the province of Riau Islands was formed, there was no ambiguity in term, however, in Indonesian both the archipelago and islands are referred to as simply "Kepulauan Riau", the province may have the word "Provinsi" preceding it.
Split into simpler sentences: Before the province of Riau Islands was formed, there was no ambiguity in term, however; in Indonesian both the archipelago and islands are referred to as simply "Kepulauan Riau". The province may have the word "Provinsi" preceding it.