Arrantzea

Arrantzea is the largest settlement and only city on the island of Terpoatrae in the Duchy of Biscay. The December 2020 census recorded a municipal population of 71,138, nearly two-thirds the total population of Terpoatrae. Arrantzea is the main gateway to Terpoatrae, as it is home to the island's main port as well as its only airport, namely Arrantzea Airport, located on the coast approximately 10 km north of the city centre adjacent to Princess Nieve Air Station and Aintzirea Naval Station, two major installations of the Crown Defence.