An electronic device comprising: a first housing (210, 510) including a first metal region; a second housing (220, 520) foldably connected with the first housing (210, 510) about a first axis (205, A), wherein the second housing includes a second metal region; a first radiator formed by at least a portion of the first metal region; a second radiator formed by at least a portion of the second metal region and disposed to face at least a portion of the first radiator in a folded state; and a wireless communication circuit, wherein the wireless communication circuit is configured to be electrically connected with the first radiator and the second radiator in an unfolded state and to be electrically connected with the first radiator and electrically separated from the second radiator in the folded state; the electronic device further comprising: a first printed circuit board, PCB, (160, 710) disposed in the first housing (210,510); and a second PCB (170, 720) disposed in the second housing (220, 520), wherein the wireless communication circuit is disposed on the first PCB (160,710), and is electrically connected with the first radiator through a first feed line disposed on the first PCB (160, 710),, and is electrically connected with the second radiator through a second feed line disposed on the first PCB (160, 710) and the second PCB (170, 720); characterized by a flexible display disposed over at least a part of the first housing (210, 510) and over at least a part of the second housing (220, 520) and being foldable about the first axis (205, A). a first housing (210, 510) including a first metal region; a second housing (220, 520) foldably connected with the first housing (210, 510) about a first axis (205, A), wherein the second housing includes a second metal region; a first radiator formed by at least a portion of the first metal region; a second radiator formed by at least a portion of the second metal region and disposed to face at least a portion of the first radiator in a folded state; and a wireless communication circuit, wherein the wireless communication circuit is configured to be electrically connected with the first radiator and the second radiator in an unfolded state and to be electrically connected with the first radiator and electrically separated from the second radiator in the folded state; the electronic device further comprising: a first printed circuit board, PCB, (160, 710) disposed in the first housing (210,510); and a second PCB (170, 720) disposed in the second housing (220, 520), wherein the wireless communication circuit is disposed on the first PCB (160,710), and is electrically connected with the first radiator through a first feed line disposed on the first PCB (160, 710),, and is electrically connected with the second radiator through a second feed line disposed on the first PCB (160, 710) and the second PCB (170, 720); characterized by a flexible display disposed over at least a part of the first housing (210, 510) and over at least a part of the second housing (220, 520) and being foldable about the first axis (205, A). a first printed circuit board, PCB, (160, 710) disposed in the first housing (210,510); and a second PCB (170, 720) disposed in the second housing (220, 520), wherein the wireless communication circuit is disposed on the first PCB (160,710), and is electrically connected with the first radiator through a first feed line disposed on the first PCB (160, 710),, and is electrically connected with the second radiator through a second feed line disposed on the first PCB (160, 710) and the second PCB (170, 720); characterized by a flexible display disposed over at least a part of the first housing (210, 510) and over at least a part of the second housing (220, 520) and being foldable about the first axis (205, A).