What the Passport Office accepts
HM Passport Office’s guidance accepts a marriage certificate as evidence of a change of name if it shows the link between your old and new names, and its staff check that the certificate is acceptable and legal in the country that issued it. HM Passport Office: evidence to change a name
It won’t accept a marriage celebration certificate from a tour operator. Its guidance says you must register the marriage with the relevant authorities to get an official certificate, and that checking your marriage is legally recognised is your responsibility.
If a document isn’t in English or Welsh, GOV.UK says to send a certified translation with it, and to send originals, not photocopies. GOV.UK: documents for a passport application