Simplify the following text for a Grade 10 native English-speaking person.
Original: Situated on the Ina River it is the capital of Stargard County and since 1999 has been in the West Pomeranian Voivodeship ; prior to that it was in the Szczecin Voivodeship ( 1975 â `` 1998 ) .
Simplified: Situated on the Ina river , it is the capital of Stargard County in West Pomeranian Voivodship .