Men's tennis will return to Eastbourne in 2017 as part of a reshuffle of the pre-Wimbledon grass court season.
The ATP 250 event which is currently staged in Nottingham will move to Eastbourne and be held alongside the long-running WTA tournament in Sussex.
A joint men's and women's event was staged at Eastbourne's Devonshire Park between 2009 and 2014.
Nottingham will now hold a WTA event - the Aegon Open - alongside a $100,000 ATP Challenger Tour event.
Meanwhile, the Lawn Tennis Association has doubled the prize fund for the Aegon Surbiton Trophy, a joint ATP Challenger and ITF Pro Circuit event, to $200,000.