Balidia Union (Bengali: বালিদিয়া ইউনিয়ন) is a union parishad situated at Mohammadpur Upazila, in Magura District, Khulna Division of Bangladesh.
[1] The union has an area of 28.01 square kilometres (10.81 sq mi) and as of 2001 had a population of 40,795.
[2] There are 22 villages and 12 mouzas in the union.