You're very welcome 
 Yes I can. There are an estimated 25,000 to 41,000 Christians in Yemen 
 That's not very many. What is the population? 
 They're not even that close to each other. Is there any etymology that refers to specific regions within Yemen? 
 That's all I needed. Thanks.
Yes I can. There are an estimated 25,000 to 41,000 Christians in Yemen