<page_title> Combined authority </page_title> <section_title> Existing combined authorities </section_title> <table> <cell> West of England <col_header> Combined authority </col_header> <col_header> Mayoral </col_header> </cell> <cell> Somerset <col_header> Ceremonial county </col_header> <col_header> Mayoral </col_header> </cell> <cell> 9 February 2017 <col_header> Established </col_header> <col_header> Mayoral </col_header> </cell> <cell> Bristol <col_header> Administrative HQ </col_header> <col_header> Mayoral </col_header> </cell> <cell> Gloucestershire <col_header> Constituent districts </col_header> <col_header> Mayoral </col_header> </cell> </table>
The combined authorities were formed in 2017: West of England, comprising Bristol and two authorities in Gloucestershire and Somerset.