development area 
noun
(In the UK) an area in which government assistance is available to encourage business investment, in order to counteract unemployment.To ease the problems, the premiers agreed to develop cooperation in fisheries, mining and gas development in the overlapping area as a joint development area, the spokesman said....
- Because that area has become a development area, the village leases its land to the people who come here to set up businesses.
- Maria is from Tubbercurry and has gained a lot of experience working directly with small businesses in Ballymoney, Co. Antrim and in the business development area of the South Dublin Chamber of Commerce.