kindly check this sentence....

oooohps.... typographical error.
I will attend my sister's wedding to be held in our hometown [San Carlos City, Pangasinan].

ronieldeguzmanI will attend my sister's wedding to be held in our hometown

The way you've written it, it sounds almost like your sister is going to have several weddings, but you are only going to attend the one that will be held in your hometown. Change it like this:

I will attend my sister's wedding, which will be held in our hometown.

so this is the correct....I will attend my sister's wedding which will be in our hometown [San Carlos City, Pangasinan]

ronieldeguzmanso this is the correct....I will attend my sister's wedding which will be in our hometown [San Carlos City, Pangasinan]

or may be this one...
I will attend my sister's wedding which will be held in our hometown, San Carlos City, Pangasinan.

ronieldeguzmanI will attend my sister's wedding, which will be held in our hometown, San Carlos City, Pangasinan.

This one, with the comma, as shown.

CJ

tanks

Consider the order of importance in the sentence is not you, but your sister, and unless the event is today and you're already there, (or you are the King of Pangasinan), the word 'will' is wishful thinking, and 'should' might be used as an alternate, (with delicious uncertainty):

'My sister's wedding is to be held in our hometown [San Carlos City, Pangasinan], and I should be able to at