Arrantzea

Arrantzea is the largest settlement and only city on the island of Santua, in the Duchy of Biscay. Home to 35,506 people according to the December 2020 census, Arrantzea is the main gateway to Sentua, home to the only commercial port as well as Sentua's only airport, Arrantzea Airport, which is located 10 km north of the city centre adjacent to Princess Nieve Air Station and Aintzirea Naval Station, two major installations of the Royal Atlantic Defence.