Punjab is the most populous province of Pakistan

Pakistan

Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

, with approximately 45% of the country's total population. Forming most of the Punjab region

Punjab region

The Punjab , also spelled Panjab |water]]s"), is a geographical region straddling the border between Pakistan and India which includes Punjab province in Pakistan and the states of the Punjab, Haryana, Himachal Pradesh, Chandigarh and some northern parts of the National Capital Territory of Delhi...

, the province is bordered by Kashmir

Kashmir

Kashmir is the northwestern region of the Indian subcontinent. Until the mid-19th century, the term Kashmir geographically denoted only the valley between the Great Himalayas and the Pir Panjal mountain range...

 (Azad Kashmir

Azad Kashmir

Azad Jammu and Kashmir or Azad Kashmir for short, is the southernmost political entity within the Pakistani-administered part of the former princely state of Jammu and Kashmir...

, Pakistan and Jammu and Kashmir

Jammu and Kashmir

Jammu and Kashmir is the northernmost state of India. It is situated mostly in the Himalayan mountains. Jammu and Kashmir shares a border with the states of Himachal Pradesh and Punjab to the south and internationally with the People's Republic of China to the north and east and the...

, India) to the north-east, the Indian states of Punjab and Rajasthan

Rajasthan

Rājasthān the land of Rajasthanis, , is the largest state of the Republic of India by area. It is located in the northwest of India. It encompasses most of the area of the large, inhospitable Great Indian Desert , which has an edge paralleling the Sutlej-Indus river valley along its border with...

 to the east, the Pakistani province of Sindh

Sindh

Sindh historically referred to as Ba'ab-ul-Islam , is one of the four provinces of Pakistan and historically is home to the Sindhi people. It is also locally known as the "Mehran". Though Muslims form the largest religious group in Sindh, a good number of Christians, Zoroastrians and Hindus can...

 to the south, the province of Balochistan to the southwest, the province of Khyber Pakhtunkhwa to the west, and the Islamabad Capital Territory

Islamabad Capital Territory

The Islamabad Capital Territory is one of the two federal territories of Pakistan. It includes Islamabad, the capital city of Pakistan, and covers an area of 1,165.5 km² of which 906 km² is Islamabad proper...

 to the north.