Choose the correct capitalization: i bought 'a guide to travel in swat' before visiting swat.

I brought 'a guide to travel in swat' before visiting swat.

I bought 'a guide to travel in swat' before Visiting swat.

I bought 'A Guide to Travel in Swat' before visiting Swat.

None of these

The first letter of a proper noun (Swat) should be capitalized.

The title of the book ‘A Guide to Travel in Swat’ follows title case, where major words are capitalized.