Diyar-e-Dil (Urdu: دیار دل ; lit. 'The Valley of the Heart') (also known as Dayar-e-Dil) is a Pakistani television drama serial, that originally aired on Hum TV from 17 March 2015 to 27 October 2015, in 33 episodes.Diyar-e-Dil follows the lives of a dysfunctional family led by Agha Jaan and his grandchildren, Wali and Faarah. The story is told in a heavily serialized manner. It revolves around the lives of Wali and Faarah, who were forced to commit to each other for the cause of reuniting their family, that had fallen apart long ago because of Agha Jaan's eldest son Behroze, when he called off his long engagement to marry his late love interest.

Diyar-e-Dil features an ensemble cast with Abid Ali as Bakhtiyar Ahmed Khan, Osman Khalid Butt and Maya Ali as his grandchildren Wali Suhaib Khan and Faarah Wali Khan, Meekal Zulfiqar, Ali Rehman Khan as his children Behroze Bakhtiyar Khan and Suhaib Bakthiyar Khan and Sanam Saeed, Hareem Farooq as his daughters-in-law Ruhina Behroze Khan and Arjumand Suhaib Khan. It also stars Behroze Sabzwari, Tara Mahmood, Ahmad Zeb and Mariyam Nafees in recurring roles. It was created by Momina Duraid, and aired on Hum TV as part of night programming under Duraid's production company. It was written by Farhat Ishtiaq based on her novel of the same name and directed by Haseeb Hassan. The show is set in Skardu, Gilgit–Baltistan and Karachi, Sindh. Diyar-e-Dil premiered in Pakistan, the UK, USA and UAE on 17 March 2015, with prime slot on Tuesdays.

Diyar-e-Dil was 2015's highest rated and most acclaimed program of Pakistan. It received critical appraisal for being visually-appealing for the male audience, due to the maintenance of their relationships in the story, and was praised for its direction, cinematography and visuals. It was the most awarded show at 4th Hum Awards, and won awards for Best Drama Serial - Jury and Best Drama Serial - Popular. At 15th Lux Style Awards, it won two awards including Best TV Play out of six nominations.