Noun phrases with prepositions and appositions

1/ The comma is one of the ways of indicating an apposition. It is often used for that.

2/ "Such as" is a marker of apposition, a so called explicit indicator of apposition.

(CGEL 17.73) The most important indicators of apposition.

Thanks for your question.

FOR APPOSITION

You should carefully read what Riquewihr is. In context, "one" is "Riquewihr"

one of the “Most Beautiful Villages in France”, Riquewihr.

FOR SUCH AS

It has two major meanings.

(Basically, "such as" gives examples of the previous noun(s))

such as refers to ["pinot noir and pinot gris" at a family-owned winery].

1. for example

‘I met a lot of important people in Canada.' ‘Such as?' (= give me an example).

Wild flowers such as orchids and primroses are becoming rare.

2. of a kind that; like

Opportunities such as this don't come along every day.

Bonus : such as it is

used to say that there is not much of something or that it is of poor quality

You're welcome to join us for lunch, such as it is — we're only having soup and bread.