Kochi, India formerly known as Cochin, is a city in the Indian state of Kerala. Kochi or Cochin is popularly known as the Queen of Arabian Sea, also flaunts one of the finest natural harbours of the world. and was the centre of the world spice trade for many centuries. Old Kochi loosely refers to a group of islands which comprise Willingdon Island, Fort Kochi, Mattancherry, etc. Today Kochi includes Ernakulam city, old parts of Kochi, Kumbalangi, and outlying islands. It is one of the principal tourist destinations of Kerala. The city derives its name from the Malayalam word Kochazhi meaning small lagoon.

Backwaters of Kochi are a chain of brackish lagoons and lakes lying parallel to the Arabian Sea coast (known as the Malabar Coast) of Kerala state in southern India. In Cochin, the stretch from Kochi Azhi to Munambam Azhi, the serene backwaters are popularly known as Veeranpuzha. It is the northern extension of Vembanad Lake. Vembanad Lake (Vembanad Kayal or Vembanad Kol) is India's longest lake, and is the largest lake in Kerala. It is also one of the largest lakes in India.

Marine Drive is a picturesque promenade in Kochi. It is built facing the backwaters, and is a popular hangout for the local populace. Marine Drive is also an economically thriving part of the city of Kochi. With several shopping malls it is as an important centre of shopping activity in Kochi. The walkway has two contemporarily constructed bridges, the Rainbow Bridge and the Chinese Fishing Net Bridge. The view of the setting and rising sun over the sea mouth, and the gentle breeze from the Vembanad Lake has made Marine Drive an important tourist destination in Kochi. Hundreds of people, both natives and tourists, throng the walkway during the evenings.

Fort Kochi, situated on the Fort Kochi/Mattancherry peninsula, is the historical part of the city and home to many tourist attractions, such as the cantilevered Chinese fishing nets, the Mattancherry Palace and the Santa Cruz Basilica.

Hill Palace is the largest archaeological museum in Kerala, near Tripunithura. It was the administrative office of Kochi Rajas. Built in 1865, the palace complex consists of 49 buildings in the traditional architectural style, spreading across in 54 acres (220,000 m2). The complex has an archaeological museum, a heritage museum, a deer park, a prehistoric park and a children's park.

Mattancherry Palace, also known as the Dutch Palace, in Mattancherry, Kochi, features Kerala murals depicting Hindu temple art, portraits and exhibits of the Rajas of Kochi. Mattancherry Palace is situated at Palace Road, Mattancherry, Kochi. It was built by the Portuguese and presented to Veera Kerala Varma (1537–65), Raja of Kochi, in 1555 AD.The palace is a quadrangular structure built in Nālukettu style, the traditional Kerala style of architecture, with a courtyard in the middle. In the courtyard there stands a small temple dedicated to Pazhayannur Bhagavati, the protective goddess of the Kochi royal family. There are two more temples on either side of the Palace, one dedicated to Lord Krishna and the other to Lord Siva. Certain elements of architecture, as for example the nature of its arches and the proportion of its chambers are indicative of European influence in basic Nāluketttu style.

Jawaharlal Nehru Stadium, locally known as Kaloor International Stadium, is an international stadium in Kochi, Kerala, India. With a capacity to hold 60,000 spectators, the stadium was built in 1996. Originally constructed as a football stadium, it has played host to a number of international cricket and football matches. The extensive grounds of the stadium serve as venue for important exhibitions, cinema events and political rallies in the city. The stadium is equipped with floodlights for night play. The architecture of the stadium is unique compared to other stadia in India.

Jewish Synagogue, or the Paradesi Synagogue, is the oldest synagogue in the Commonwealth of Nations, located in Kochi in South India. It was built in 1568 by the Malabar Yehudan people or Cochin Jewish community in the Kingdom of Cochin. It is also referred to as the Cochin Jewish Synagogue or the Mattancherry Synagogue. The synagogue is located in the quarter of Old Cochin known as Jew Town, and is the only one of the seven synagogues in the area still in use. The complex has four buildings. It was built adjacent to the Mattancherry Palace temple on the land given to the Malabari Yehuden community by the Raja of Kochi, RamaVarma. The Mattancherry Palace temple and the Mattancherry synagogue share a common wall.

Santa Cruz Cathedral Basilica, a church built originally by the Portuguese and elevated to a Cathedral by Pope Paul IV in 1558, was spared by the Dutch conquerors who destroyed many Catholic buildings. Later the British demolished the structure and Bishop Dom Gomez Vereira commissioned a new building in 1887. Consecrated in 1905, Santa Cruz was proclaimed a Basilica by the Pope John Paul II in 1984. This magnificent church is a must-see destination for tourists who come to Kochi.

Bolgatty Palace was built by the Dutch in India, and is located on the scenic Bolgatty island in Kochi. One of the oldest existing Dutch palaces outside Holland, this quaint mansion, built in 1744, by Dutch traders, was later extended and lush green gardens were landscaped around it. The building was then the Governor's palace for the Dutch and later in 1909 was leased to the British. It served as the home of the British Governors, the seat of the British Resident of Cochin during the British regime. In 1947, when India gained independence, the palace became the property of the state and later was converted into a heritage hotel resort.

Kochi International Marina: Kochi is an excellent stop for yachts, and the marina is placed ideally within the city, attached to the shoreline of the historic Bolgatty Palace Hotel in Bolgatty Island.

Willingdon Island is a man-made island named after Lord Willingdon, a former British Viceroy to India. Southern Naval Command, Cochin Harbour, Port Trust headquarters, the best hotels in the city, and major trading centers are situated at Willingdon Island.

Museum of Kerala History: Important scenes of Kerala history are portrayed through sculptures. Greeting the visitor outside the museum is a statue of Parasurama, the mythological sage who is said to have created Kerala. Other attractions include a contemporary art gallery, doll collection, and art exhibition space etc. Kerala Museum is located at NH Edappally.

St.Francis Church, originally built in 1503, is the oldest European church in India and has great historical significance as a mute witness to the European colonial struggle in the subcontinent.

Koonankurishu Church, St. George Orthodox Church (Mattancherry), is a revered pilgrim center. It has paramount position among Orthodox Churches as it is home to the holy relics of St. George. It was built on the land where the historical Koonankurishu Oath took place. The land has become sacred with the footprints of the Persian Prelates, the first Catholicos Mar Thoma I and other venerated fathers of the Orthodox faith. The church was consecrated in 1751, and was renovated later in 1974. Considering the historic importance of the Koonankurish Pally, the Holy Synod elevated the status of the Church and declared it a historic monument as well as a pilgrim center. At present, the church is being renovated again in the 15th century architecture with eco-friendly construction process using compressed soil bricks with no steel and less cement.