Claim: Each one of the 11 Parliamentary constituencies in Hertfordshire elects a Member of Parliament for representation in Westminster, ten of whom are conservatives.
Evidence: The county of Hertfordshire in England is divided into eleven Parliamentary constituencies. Each of the eleven elects a Member of Parliament (MP) to represent it at the United Kingdom (UK) Parliament in Westminster. As of the 2019 general election, ten of Hertfordshire's eleven MPs are Conservatives. 
Conservative † Labour ‡ Liberal Democrat ¤ Charles Walker † Michael Penning † Julie Marson † Oliver Dowden † Bim Afolami † Oliver Heald † Gagan Mohindra † Stephen McPartland † Dean Russell † Grant Shapps † Each of the eleven elects a Member of Parliament (MP) to represent it at the United Kingdom (UK) Parliament in Westminster. The county of Hertfordshire in England is divided into eleven Parliamentary constituencies.