Explanation
Karachi
Location & alternative names: Near ancient Debal (Daybul), sometimes identified with Barbarikon in Greco-Roman accounts
Type of site: Ancient port city; early Islamic commercial centre
Present location & river: Sindh province, Pakistan; near the Indus delta
Historical relevance: Entry point of Muhammad bin Qasim (712 CE); major Arab trade hub
Significance: Linked India–Arab–Persian maritime trade; gateway for Islam into South Asia
Dabhol
Location & alternative names: Dabhol / Dabul
Type of site: Medieval port town
Present location & river: Maharashtra; near Vashishti River
Historical relevance: Flourishing port under Bahmani and Deccan Sultanates
Significance: Prominent spice and horse trade with West Asia
Dwarka
Location & alternative names: Dwarka / Dvāravatī
Type of site: Sacred port city; submerged archaeological site
Present location & river: Gujarat; near Gomti River (small river)
Historical relevance: Associated with Krishna; underwater structures found
Significance: Early maritime urbanism and religious trade centre
Kuntasi
Location & alternative names: Kuntasi (no known alternate)
Type of site: Harappan port-cum-industrial site
Present location & river: Gujarat; near Phulki River (ancient channel)
Historical relevance: Evidence of dockyard, bead and shell industry
Significance: Shows decentralized Harappan maritime trade
Lothal
Location & alternative names: Lothal
Type of site: Harappan port and dockyard site
Present location & river: Gujarat; Bhogavo River (Sabarmati tributary)
Historical relevance: World’s earliest known dockyard
Significance: Proof of Indus Valley maritime engineering and overseas trade
Khambhat
Location & alternative names: Khambhat / Cambay
Type of site: Medieval port city
Present location & river: Gujarat; at Sabarmati–Mahi estuary
Historical relevance: Major port in Sultanate and Mughal period
Significance: Hub for textiles, indigo and Arabian Sea trade
Bharuch
Location & alternative names: Bharuch / Barygaza
Type of site: Ancient port city
Present location & river: Gujarat; on Narmada River
Historical relevance: Mentioned in Periplus of the Erythraean Sea
Significance: Indo-Roman trade gateway
Sopara
Location & alternative names: Sopara / Surparaka
Type of site: Ancient port and Buddhist centre
Present location & river: Maharashtra; near Vaitarna River
Historical relevance: Ashokan inscriptions found
Significance: Early Buddhist maritime diffusion
Gopakapattinam
Location & alternative names: Gopakapattinam / Govapuri
Type of site: Ancient port and capital
Present location & river: Goa; Mandovi River
Historical relevance: Capital of Kadamba dynasty
Significance: Western Deccan maritime political centre
Muziris
Location & alternative names: Muziris / Muchiri / Pattanam
Type of site: Ancient international port
Present location & river: Kerala; Periyar River
Historical relevance: Roman coins, amphorae, pepper trade
Significance: Core of Indo-Roman commerce
Kollam
Location & alternative names: Kollam / Quilon
Type of site: Medieval port city
Present location & river: Kerala; Ashtamudi Lake system
Historical relevance: Chinese, Arab and European trade links
Significance: Cashew and spice export hub
Korkai
Location & alternative names: Korkai
Type of site: Ancient port and pearl fishery centre
Present location & river: Tamil Nadu; Tamiraparani River
Historical relevance: Capital of Early Pandyas
Significance: Global pearl trade centre
Alagankulam
Location & alternative names: Alagankulam
Type of site: Ancient port settlement
Present location & river: Tamil Nadu; Vaigai River mouth
Historical relevance: Roman pottery and coins
Significance: Indo-Mediterranean trade node
Puhar
Location & alternative names: Puhar / Kaveripattinam
Type of site: Sangam-age port city
Present location & river: Tamil Nadu; Kaveri River
Historical relevance: Described in Silappadikaram
Significance: Chola maritime capital
Arikamedu
Location & alternative names: Arikamedu / Poduke
Type of site: Indo-Roman trading port
Present location & river: Puducherry; Ariyankuppam River
Historical relevance: Roman wine jars and beads
Significance: Evidence of direct Roman trade
Mahabalipuram
Location & alternative names: Mahabalipuram / Mamallapuram
Type of site: Port-cum-monument site; WHC
Present location & river: Tamil Nadu; Coromandel Coast
Historical relevance: Pallava maritime centre
Significance: Stone architecture and Southeast Asian links
Nirpeyyaru
Location & alternative names: Nirpeyyaru
Type of site: Sangam-era port
Present location & river: Tamil Nadu; ancient river channel
Historical relevance: Mentioned in Sangam texts
Significance: Regional coastal trade
Machilipatnam
Location & alternative names: Machilipatnam / Masulipatnam
Type of site: Medieval port city
Present location & river: Andhra Pradesh; Krishna River delta
Historical relevance: European trading factories
Significance: Textile export hub
Tamralipti
Location & alternative names: Tamralipti / Tamluk
Type of site: Ancient port city
Present location & river: West Bengal; Rupnarayan River
Historical relevance: Buddhist maritime missions
Significance: Bay of Bengal trade gateway
Chittagong
Location & alternative names: Chittagong / Chattala
Type of site: Medieval port city
Present location & river: Bangladesh; Karnaphuli River
Historical relevance: Arab, Chinese and Southeast Asian trade
Significance: Eastern Indian Ocean commerce
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