1.CHAR DAMS
The Char Dham ("four abodes") are four places which the Hindus believed could cleanse people of their sins. Char Dham are the names of four pilgrimage sites in India that are widely revered by people of SANATANA DHARMAM.
Badrinath,Uttarakhand in north
Dwarka,Gujarat in west
Puri,Orissa in east
Rameswaram,Tamil Nadu in South
It is considered highly sacred by Hindus to visit Char Dham during one's lifetime.
These char dams were defined by Adi Sankaracharya.
RAMESHWARAM,Tamil Nadu
2.SEVEN PLACES OF MUKTHI
In hinduism it is told that if a person is born or a person who has seen all these places in his lifetime will attain Nirvana or Mukthi.
Ayodhya,Uttar Prdesh
Mathura,Uttar Pradesh
Ujjain,Madhya Pradesh
Kanchipuram,Tamil Nadu
Kashi,Uttar pradesh
Haridwar,Uttarakhand
Dwaraka,Gujarat
KASHI,Uttar Pradesh
3.12 Jyothirlingam temple
Of the 64 jyothirlingam temple(representhout these 12 are very important and famous.Jyotirlinga refers to radiance sign of lord Shiva.
- Somnath Temple in Gujarat
- Mallikarjuna Temple in Andhra Pradesh
- Mahakaleshwar Temple in Madhya Pradesh
- Omkareshwar in Madhya Pradesh
- Kedarnath Temple in Uttarakhand
- Bhimashankar in Maharashtra
- Vaidyanath Temple in Jharkand
- Rameshwar Temple in Tamilnadu
- Nageshwar Temple in Gujarat
- Kashi Vishwanath Temple in Uttar Pradesh
- Grushneshwar Temple in Maharashtra
- Trimbakeshwar Temple in Maharashtra
4.18 SHAKTHI PEETAS
Of the 108 Shakthi peetas 18 are considered as very important .These are the places where shakthi’s body parts had fell on this earth .
"Shakti Peetha" - Wikipedia

5.108 DIVYA DESAMS
In India Divya desams are spread over states of Tamil Nadu(84), Kerala(14), Andhra Pradesh(2), Gujarat(1), Uttar Pradesh(4), Uttarakhand(3). The last two are Thirupalkadal and Paramapadam. Tirupalkaddal is the ocean of milk and paramapadam is the Vaikuntha where lord Vishnu presides. The Divya Desams are revered by the 12 Alvars in the Divya Prabandha, a collection of 4,000 Tamil verses. Divya Desams follow Thenkalai or Vadakalai modes of worship.
"Divya Desam" - Wikipedia
SRI RANGANATHASWAMY TEMPLE,TN (156 ACRES-Largest temple in India)First and the foremost divya desam.
6.7 Holy rivers.
In India there are many holy rivers of which 7 are very holy and has many temples on its banks.
Ganga
Yamuna
Saraswati
Kshipra(some say its Sindhu river also)
Narmada
Godavari
Kaveri

Kaveri river
7.7 Holy mountains
Mountains and hills are considered holy in Hinduism .There are many hills and mountains in India but these are considered very sacred having many temples on them.
Mahendra(eastern ghats)
Malaya mountains(Podhigai malai in Tamil nadu)
Vindhya mountains
Sahya(western ghats)
Sukthimat
Riksha(Aravalis)
Paripata

Aravalli mountains.