Vaishnavism is a part and parcel of Hindu religion that is mainly followed in India and its neighboring countries namely in Nepal and Srilanka plus rest of the world Hindu population pocket such as Fiji and latin American countries in eastern south America countries of Suriname and Guyana etc. the primary deity of Viashnavism is Lord Vishnu.
The Supreme deities of Viashnavism are Lord Vishnu, Lord Krishna and Lord Rama. The important deities associated with Viashnavism are the Dashavatara. They are Matsya, Kurma, Varaha, Narasimha, Vamana, Parasurama, Rama, Krishna, Balarama and Kalki. Other Avatars of Lord Vishnu are Mohini, Nara-Narayana, Balarama and Hayagriva. Other deities related to Viashnavism are Lakshmi, Sita, Hanuman and Shesha.
Important texts related to Viashnavism are Vedas, Upanishads, Bhagavad Gita, Divya Prabandha and Ramcharitmanas. In the Puranas that is related to Viashnavism are Vishnu, Bhagavata, Naradeya, Garuda, Padma and Agni.
In Sampradayas, there is a special mention regarding Sri (Vishishtadvaita), Brahma (Dvaita, Acintyabhedabheda), Rudra (Shuddhadvaita) and Nimbarka (Dvaitadvaita).
The Philosopher-Acharyas related to Viashnavism are Nammalvar, Yamunacharya, Ramanuja, Madhva, Chaitanya, Vallabha, Sankardeva, Nimbarka, Pillai Lokacharya, Prabhupada, Vedanta Desika and Manavala Mamunigal. The related traditions of Viashnavism are Bhagavatism, ISKCON, Swaminarayan, Ekasarana, Pranami, Ramanandi and Vaikhanasas.
In Hinduism, Viashnavism has its own religious and social significance. It has its own identity and a large set of ardent followers. They follow the Vedic practices plus ancient Hindu rules and regulation to a large extent. Lord Vishnu is the centre of devotion and dedication by the ardent followers of Viashnavism.