The link below provides a very good overview of the cultural profiles of most countries represented on PEI. It is easy to access and provides information on greetings, religions, family, Do's and Don'ts and more.
It is important to note that these are just profiles. The information you read should not be used to stereotype people of a particular culture as all people are individual. Just because a person belongs to a specific culture doesn't mean that all facets of the culture apply to that person.
https://culturalatlas.sbs.com.au/countries