Calatrava, officially the Municipality of Calatrava, is a 1st class municipality in the province of Negros Occidental, Philippines. According to the 20…Calatrava, officially the Municipality of Calatrava, is a 1st class municipality in the province of Negros Occidental, Philippines. According to the 2020 census, it has a population of 82,540 people. Calatrava is 101 kilometres from Bacolod via Negros Occidental Eco-Tourism Highway and 182 kilometres from Dumaguete, the capital of Negros Oriental. The town is known for its monkey sanctuary.