Complex sentence: Wizna (area 555 sq. km.) and Wasosz (area 863 sq. km.) Total area of Wizna Land was 1419 sq. km., with 280 villages.
Split into simpler sentences: Wizna (area 555 km 2) and Wasosz (area 863 km 2). The total area of Wizna Land was 1419 km 2, with 280 villages.