Question

آخرای هفته بعد میرم مشهد

Answer 1

I'm going to Mashhad at the end of next week.

Comments

http://www.politico.com/story/2015/09/speaker-john-boehner-retiring-from-congress-at-the-end-of-october-214056

The embattled speaker, who fought off rumors of his political demise for years, announced Friday he would resign from Congress at the end of next month.

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Or:

I'm going to Mashhad next weekend.

Answer 2

I'm going to go to Mashhad late next week

Comments

Excellent, +1

Answer 3

I'll be (or I'm) going to Mashad towards the end of the next week

"Towards" implies you'r not exactly sure which day it'll be.