Mailar is a locality in the municipality Schmallenberg in the district Hochsauerlandkreis in North Rhine-Westphalia, Germany. The village has 111 inhabitants and lies in the north of the municipality of Schmallenberg at a height of around 360 m on the Bundesstraße 511. The river Leiße flows through the village. Mailar borders on the villages of Dorlar, Sell…Mailar is a locality in the municipality Schmallenberg in the district Hochsauerlandkreis in North Rhine-Westphalia, Germany. The village has 111 inhabitants and lies in the north of the municipality of Schmallenberg at a height of around 360 m on the Bundesstraße 511. The river Leiße flows through the village. Mailar borders on the villages of Dorlar, Sellinghausen, Heiminghausen, Menkhausen and Niederberndorf.