Kolonnawa is a suburb located in the Colombo District of Sri Lanka. It is situated approximately 10 km east of Colombo. The city is known for its industrial activities and is home to several large factories and industries.

The suburb is also well-connected to the rest of the city by several major roads and highways, including the Colombo Outer Circular Expressway. Location is more prominent for mixed development and other relevant activities.

Hence, UDA expects to offer the land for the Mixed Development project.