Allahabad (Prayagraj)
Explanation
The geographical location of cities along major river systems is a key aspect of Indian physical geography. The confluence of rivers holds significant cultural and geographical importance in India.
Detailed Analysis:
- Allahabad (Prayagraj): This city is situated at the Triveni Sangam, which is the confluence of three rivers: the Ganga, the Yamuna, and the invisible or mythical Saraswati. It is a major site for the Kumbh Mela.
- Varanasi: Located on the banks of the river Ganga. It is not a confluence point of the Yamuna.
- Lucknow: Situated on the banks of the river Gomti, a tributary of the Ganga.
- Patna: Located on the southern bank of the river Ganga. While it is near the confluence of the Ganga with tributaries like the Son and Gandak, it is not the site of the Ganga-Yamuna confluence.
Key Takeaway:
Prayagraj is the specific geographical location marking the confluence (Sangam) of the Ganga, Yamuna, and the mythical Saraswati.