The municipal corporation now existing as the Village of Strongsville shall continue to be a body politic and corporate under the name of the City of Strongsville and with the same boundaries, with authority to change its boundaries and annex other territory contiguous thereto in the manner authorized by the general laws of Ohio; but no territory shall be detached therefrom, nor shall the City be annexed to any other municipality, without the consent of the Council and a majority of the electors voting on such question.