Sittard is a city located in the southernmost province of Limburg within the Netherlands. It sits in the region of South Limburg, bordering the German municipality of Selfkant in North Rhine-Westphalia to the east. The city centre is situated at an elevation of 45 meters above sea level. Administratively, Sittard functions as a significant urban component within the larger municipality of Sittard-Geleen, serving as a key node in the southern Dutch landscape.

Archaeological evidence indicates that the first settlements in the Sittard area date back to approximately 5000 B.C., with the present-day town likely founded around 850 A.D. around a motte. It was first mentioned in records in 1157 and granted city rights by the Duke of Limburg in 1243. The city changed hands multiple times, including periods under the Duchy of Jülich and French occupation, before becoming part of the Netherlands in 1814. It was liberated in September 1944 during World War II.

The city features a small historic centre protected as a beschermd stadsbezicht, containing numerous architectural monuments. Notable landmarks include St Peter's Church from the 14th to 16th centuries, the Dominican monastery with its Baroque St Michael's Church, and the Basilica of Our Lady of the Sacred Heart. The medieval city wall remains partially intact, and the area includes half-timbered houses from the 16th and 17th centuries, as well as the Jacob Kritzraedt house in Mannerist style.

Cultural attractions include Museum Het Domein, housed in a converted nineteenth-century school building, which focuses on contemporary art, urban history, and archaeology. The city hosts the biggest Kennedy march in the Netherlands and is home to professional football club Fortuna Sittard and handball club Sittardia. The central market square offers dining options, while the Commonwealth War Cemetery honors soldiers from World War II, including Dennis Donnini.

Sittard had a population of 37,085 as of 2022. Its economy is supported by large industrial zones and office premises, hosting the European head offices of SABIC and DSM, along with Boels Rental. Transport access is facilitated by a main train station with intercity and regional services, located a ten-minute walk from the centre. The city also features bike rentals and bus connections via Arriva and Veolia for regional travel.