Discover Kolkata

A concise introduction to Kolkata, its geography, history and culture.

Introduction

Kolkata, capital of West Bengal, stands on the east bank of the Hooghly River. The city grew from older settlements into the principal centre of East India Company rule, then became a major port, imperial capital and centre of Bengali intellectual and political life. Its clearest landmarks include the Maidan, Victoria Memorial, Indian Museum, Howrah Bridge and the historic streets of north Kolkata.

The deeper experience lies between them: ferry crossings, bookshops, markets, places of worship, clay workshops, food traditions and cultural institutions that remain part of everyday life. Plan by neighbourhood, allow for heat and monsoon rain, and treat Durga Puja as an active religious and civic season. Kolkata rewards attention to a living city in India, not a hurried collection of colonial façades.

Verified against Census of India, October 2026.

Geography

Kolkata occupies low alluvial ground on the east bank of the Hooghly, a distributary of the Ganga system. The river shaped its port and west-facing civic core; canals and the East Kolkata Wetlands shaped drainage, fisheries and expansion to the east. Flat terrain makes the city look easy to cross, but a long urban form, bridges, rail corridors, traffic and monsoon waterlogging divide it into practical neighbourhood routes.

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History

Kolkata did not begin with one colonial arrival. Sutanuti, Kalikata and Gobindapur were established settlements before the East India Company consolidated its position on the Hooghly. Company power, Fort William and imperial government then transformed Calcutta into a port and capital. Education, print, reform, nationalism, Partition and migration shaped the modern city, officially renamed Kolkata in 2001.

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Culture

Kolkata's culture is built through language, argument, craft and public participation. Bengali publishing, theatre, music and cinema sit beside museums, universities and community institutions formed under very different political conditions. Durga Puja makes worship and temporary art visible across the city, while food, markets, ferries and neighbourhood clubs keep culture anchored in everyday life.

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How it was built and evolved over time

Kolkata was built outward from a Hooghly trading settlement and repeatedly remade by fortification, imperial planning, drainage and transport. The Maidan opened around a new Fort William; civic and commercial buildings defined the colonial centre; north Kolkata developed dense houses and courtyards; rail, trams, suburbs, planned eastern districts and Metro lines then produced a city with several centres rather than one uniform core.

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Climate patterns

Kolkata has a hot, humid pre-monsoon season, a very wet summer monsoon and a drier, cooler winter. IMD normals at Alipore show January days near 26°C, April and May maxima above 35°C, and more than 300 millimetres of normal rain in each month from June through September. Heat, waterlogging and air quality can each change an otherwise short urban route.

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Frequently asked questions

How many days does Kolkata need? Three days covers a central heritage route, north Kolkata and the river, plus one cultural or southern thread. Four or five days allows museums, food, performance and neighbourhood time without constant transfers.

When is the best time? November through February is driest and generally easiest for walking. Durga Puja in September or October is a defining experience but demands a crowd-and-traffic plan.

Can I walk between the main sights? Walk within the Maidan, central heritage streets, College Street or a north-Kolkata cluster. Use Metro, ferry, rail or road transport between distant areas.

Are Kolkata and Howrah the same city? No. They are separate cities on opposite banks of the Hooghly, linked by bridges, rail and ferry services.

Which railway station do I need? Use the exact station on the ticket. Howrah, Sealdah and other terminals are not interchangeable.

Should I visit during Durga Puja? Yes, if the festival is a main purpose of the trip and you accept dense crowds, altered traffic, long walking routes and strong accommodation demand.

Is the East Kolkata Wetlands a normal park? No. It is a protected, inhabited and working wetland system. Visit only through appropriate access and respect fisheries, farms and settlements.

What language is most useful? Bengali is central; English and Hindi are widely useful in visitor settings. Keep addresses and station names written down.

Verified against India Meteorological Department city climate service, October 2026.

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Sources & verification Covers the sourced claims on this page.

Checked against India Meteorological Department city climate service — Kolkata Alipore 1981–2010 monthly mean minimum, mean maximum and rainfall normals (October 2026).
Checked against UNESCO Intangible Cultural Heritage — Durga Puja in Kolkata, its annual September-or-October timing, clay images, public installations, worship and 2021 UNESCO inscription, Durga Puja in Kolkata, its annual September-or-October timing, clay images, public installations, worship and 2021 UNESCO inscription (October 2026).
Checked against Metro Railway Kolkata, Indian Railways — Current Kolkata Metro passenger lines, operating sections, stations and timetables (October 2026).
Checked against Indian Railways — Official Indian Railways passenger framework and need to use the exact booked terminal (October 2026).
Checked against East Kolkata Wetlands Management Authority — East Kolkata Wetlands land uses, wastewater reuse, fisheries, agriculture, flood role, biodiversity and protected management context (October 2026).
Checked against Government of West Bengal — Bengal Renaissance, Tagore, Bengali literature, art, reform, cinema and Kolkata institutional culture, Kolkata position on the east bank of the Hooghly, low elevation, capital role and official municipal extent, Kolkata municipal chronology, the three settlements, Fort William, Company growth and development of civic government (October 2026).
Checked against Census of India — Pre-1690 settlement, imperial-capital period, Bengal partition, famine, communal violence, independence and refugee-shaped growth (October 2026).
Checked against West Bengal Tourism — Kolkata visitor geography, principal museums, religious sites, heritage neighbourhoods and Durga Puja context (October 2026).