Skra (Greek: Σκρα), before 1926 Loumitsa (Megleno Romanian: Liumnița) is a village and community in the municipality of Paionia, Kilkis regional unit of Greece.

In 2021 the population was 172 for the community, including the village Koupa.

[1] It is situated 10 km south of the border with the Republic of North Macedonia and its altitude is 548 m. The village is best known for the Battle of Skra-di-Legen of May 1918.

Before the First World War, the village was much larger and inhabited mainly by Megleno-Romanians.

According to the book "Macedonia — ethnography and statistics" by Vasil Kanchov, there were 2,600 Megleno-Romanian inhabitants in the village in 1900.