Skalica District (okres Skalica) is a district in the Trnava Region of western Slovakia. It lies in northern part of Záhorská nížina, a lowland between Bratislava and Czech Republic. The district had been established in 1923 and in its current borders exists from 1996. Its largest town is its seat Skalica. Main branch os the district economy is industry. Important cultural sightseeings are historical center of town Skalica and a church in Kopčany, one of the oldest buildings in Slovakia with origin in Great Moravian period. Skalica District consists of 18 municipalities, in three of them are towns.