Questrecques is a French commune in the region Nord-Pas-de-Calais, in the Pas-de-Calais department in north France.
Questrecques is 7 miles (11 km) southeast of Boulogne-sur-Mer. It is on the riverbanks of the River Liane.
The number of people living in Questrecques goes up most years. In France, there is a big survey called a census. In the census, the government finds out how many people live in a place. In 1962, there were 171 people living in Questrecques. In 1968, there were 187 people living there. In 1975, there were 193 people living there. In 1982, there were 181 people living there. In 1990, there were 258 people living there. In 1999, there were 354 people living there. In 2006, there were 360 people living in Questrecques.
There is a church in Questrecques. It is called The Church of St. Martin. It is a 15th century church.