Castalla is a municipality of Alicante province. It has a population of 11,908 people.
International buyers make up 47.9% of the property market and the population of Castalla has grown by 1,765 (17%) since 2014.
Market activity in Alicante province is currently 25% below its peak in 2007. There were 13,000 property transactions registered in Q2 2026.
Average monthly temperatures in Castalla (°C)