Oachira or Ochira (Ōcciṟa) is in Kollam district

Oachira is an ancient temple town located 36  km away from Kollam city in Karunagappally taluk, Kollam district in Kerala, India.

Oachira is one of the famous sacred places of Kerala and in India. Oachira is on the border of Kollam and Allappuzha Districts, next to the National Highway 66 (NH 66). It is a very ancient pilgrimage center that is centered on the ParaBrahma Temple (that is dedicated to the Para Brahman (or Param Brahman) or Ohmkaram, the Universal Consciousness), which covers thirty-six acres of land. Oachira North Muslim Masjid is another historical monument near Oachira town.Oachira temple stands out brilliantly in cherishing its humanistic ideals by embracing a secular essence that welcomes individuals regardless of their caste or faith.

The major annual festivals are Oachira Kali or Oachirakali (held on the first and second of Midhunam, i.e., June–July) and the twelve-day Panthrandu Vilakku (twelve lamp festival), which is held in November/December. Oachira Kali is celebrated in commemoration of the battle of Kayamkulam, fought between Marthanda Varma, the Maharaja of Travancore and the Raja of Kayamkulam, on the plains of Oachira. It is a mock fight enacted between groups of men dressed as warriors on the padanilam (battlefield). They perform a martial dance standing in knee-deep water, brandishing swords and shields, and splashing water in every direction. A big cattle fair is also held as part of the festival.

Yet another festival celebrated in Oachira Temple is the "Irupathiyettam Onam" (Thiruvonum in the month of Kanni, second month of Malayalam Calendar). It is considered the Onam of cows and bulls and is celebrated on Thiruvonam. These concepts are related to the agricultural prosperity of Onattukara.

The "Panthrandu vilakku" festival celebrated at Oachira Parabrahma Temple is considered as the most reputed festivals of this temple. In the month of Vrishchikam, or Vrishchika Masam, is the fourth month in a traditional Malayalam calendar and is a highly auspicious month.Sabarimala Ayyappa Temple opens on the day for the two-month-long annual pilgrimage season. The first twelve days are celebrated as "Panthrantu vilakku"."Panthrandu vilakku" is being observed in temples with great fervour and enthusiasm to commemorate the ‘Ten Avatars of Lord Vishnu’ The Panthrandu vilakku celebrated at Oachira Parabrahma Temple is considered as the most reputed one At Ochira Para brahma temple, during "Panthrantu vilakku" pilgrims reside in hundreds of small huts for twelve days in the premises of temple following religious rituals. Thousands of people stays near a temple premises for a period of twelve days .This tradition is one of its kind in Kerala .Lakhs of people visit the temple during this period. There are various religious programs and meetings are being conducted during this period. Days are filled with speeches of Eminent scholars, religious leaders and political leaders. In the night cultural programmes of veteran artists are conducted. For pilgrims these days will be truly rejuvenating experience.

There is no sanctorum in Oachira Temple. The statues of the deities are placed below large banyan trees; the Prasadam is holy mud from the temple, which supposedly has medicinal value.

The temple has a rich tradition of religious harmony, which is open to people of all religion and faith. The main offering of the temple is 'Annadanam'-offering food to the poor.

The temple administration manages two guest houses. Recently built guest house 'Omkaram' has 102 rooms with all modern amenities to cater to the needs of pilgrims.

To reach Oachira, by air, the nearest airports are Trivandrum International Airport, which is 98 km away, and Cochin International Airport, which is 135 km away. By rail, the nearest station is Ochira railway station, just 1.5 km from town and Kayamkulam Junction is just 7 km away, all major express trains having stop here and It is also near NH 66. Oachira is the gateway to Matha Amruthananda Mayi Devi Asramam (HQ) at Vallikkavu, which is just 3 km away.

RVSM Higher Secondary School, situated at Prayar is the oldest and biggest educational institution in and around Oachira. Started in 1909, this school was elevated as a higher secondary school and boasts a lower primary division too. Students gaining entry at the LKG can complete their pre-university exams (now known as +2) and attend the graduation courses of universities. Oachira Govt. Higher Secondary School is another educational institution. Pragathi Hindi Vidyalay is another Hindi college in the region.

• Oachira Parabrahma Temple
• Azheekal Beach
• Krishnapuram Palace

• Abdul Sathar Kunju, 21st Chief of Kerala Police
• Cartoonist Shankar, Political Cartoonist
• K. P. Nambiathiri, Indian cinematographer who has worked in a number of 3-D films
• K. Surendran, Malayalam writer and Vayalaar Award winner
• Ochira Velukkutty, Indian dramatist in the early days of Malayalam theatre
• S. Guptan Nair, Malayalam writer, literary critic, scholar, orator, essayist, lexicographer, translator and educator
• S. Ramachandran Pillai, C.P.I. (M) politburo member

• Prayar Gopalakrishnan ex mla

• Sanju Sivram film actor
• Geetha Salam film actor