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The capture of Vientiane and the Emerald Buddha

Late in 1778 the Thonburi army under Chaophraya Chakri and Chaophraya Surasi marched against Vientiane, besieged the city for about four months until it fell, and brought the Emerald Buddha and the Phra Bang image to Thonburi. This Emerald Buddha is the image enshrined to this day in Wat Phra Si Rattana Satsadaram (Wat Phra Kaeo).

Nong Khai – VientianeThonburi ≈Nakhon Ratchasima ≈AyutthayaChonburiSukhothaiPhitsanulokNakhon PathomRatchaburiNakhon NayokPrachin BuriChachoengsaoSamut PrakanSaraburiNakhon SawanUttaraditSuphan BuriAng ThongThailand12
  • 1Stops, numbered as in the list below
  • 3Fighting with other forces
  • 1–3Several stops close together: tap to zoom in
  • ≈ approximate position

Press + to zoom in, then drag to move the map; on a phone you can pinch. Tap a number to read about that stop.

The ≈ sign marks an approximate location. Borders on the map are modern and shown for orientation only. Campaign routes are approximate lines drawn from the chronicles and modern studies, not the exact path taken. Dashed lines are enemy armies.

From Champasak to Vientiane

In 1777 the Thonburi army went to put down unrest in the Champasak region, and Chaophraya Chakri was promoted to Somdet Chaophraya Maha Kasat Suek. The following year an army of about 20,000 marched on Vientiane and besieged the city for about four months until it fell. The Thonburi army brought the Emerald Buddha and the Phra Bang to be enshrined at Thonburi.

King Taksin did not go on this campaign himself, but it extended Thonburi's influence as far as Lan Xang. Later, in the reign of King Rama I, the Emerald Buddha was moved to Wat Phra Si Rattana Satsadaram, while the Phra Bang was eventually returned to Laos.

The route in 4 stops

  1. 1

    Thonburi

    Bangkok≈ approximate position13.740, 100.490

    Places to visit nearby

    Where to eat nearby

    Directions ↗

  2. 2

    Nakhon Ratchasima

    Nakhon Ratchasima≈ approximate position14.970, 102.100

    Directions ↗

  3. 3

    Nong Khai

    Nong Khai≈ approximate position17.880, 102.740

    Places to visit nearby

    Where to eat nearby

    Directions ↗

  4. 4

    Vientiane

    ≈ approximate position17.970, 102.610

    Fighting (not the Burmese)
    Battle
    The siege of Vientiane
    Against
    The army of Vientiane; not Burmese troops
    How
    The Thonburi army under Chaophraya Chakri and Chaophraya Surasi besieged the city for about four months until it fell.
    Outcome
    Vientiane was taken, and the Emerald Buddha and the Phra Bang were brought to Thonburi.
    Note
    Approximate position.

    Directions ↗

Travel guides for the provinces on this route

Things to do and where to eat in each province, from songkran.com, our sister travel site

Frequently asked questions

When did the Emerald Buddha come to Thailand?

The Thonburi army brought it from Vientiane after taking the city in 1779.

Last updated 13 November 2026