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Amharic - አማርኛ | Arabic - عربي
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Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
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PEOPLE GROUP PROFILE

The Banyumasan of Indonesia

The Banyumasan of Indonesia, numbering approximately 9,195,000 people, are Engaged yet Unreached. They are an indigenous community of Indonesia; a dialect subgroup of Javanese (jav). and can also be known as Java Mendhoan, Java Banyumasan, Java Serayu. They are an Indigenous people, in the Jawa people cluster of the Malay Peoples affinity bloc. Their primary religion is Sunni Islam. They primarily speak Javanese.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Banyumasan

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Jawa
Primary Language(s): Javanese (jav)
Primary Religion(s): Sunni Islam
Population: 9,195,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, Dispersed CP Activity
People Group ID: PG022426
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Pray for the Banyumasan of Indonesia

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

%

Dig Deeper (Language):

Primary Language: Javanese
Language Family: Austronesian

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Media Resources in Javanese:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Javanese:

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Provided by Faith Comes by Hearing

Or check out the Javanese bible resources at Bible.com

Linked from YouVersion

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Next steps for the Banyumasan

The Banyumasan are Unengaged and Unreached, which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.

Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

Next steps for the Banyumasan

The Banyumasan are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

Next steps for the Banyumasan

The Banyumasan are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Banyumasan of Indonesia

For the LORD knows the way of the righteous, but the way of the wicked will perish.
readPsalm 1:6

As many look for hope in worldly pleasures, pray they will hear and accept salvation through Christ, turn from destruction, and experience joy in the way of righteousness.

All the earth worships you and sings praises to you; they sing praises to your name.
readPsalm 66:4

Pray that the good news of Jesus will advance here and that many will bow down and sing praises to His name.

But our citizenship is in heaven, and from it we await a Savior, the Lord Jesus Christ, who will transform our lowly body to be like his glorious body, by the power that enables him even to subject all things to himself.
readPhilippians 3:20-21

Pray that as people place their faith in Christ, they will remember their citizenship is in heaven.

Say among the nations, “The LORD reigns! Yes, the world is established; it shall never be moved; he will judge the peoples with equity.”
readPsalm 96:10

Pray for God to put in the hearts of believers to go to the lost and testify about the Lord who reigns.

Java Banyumasan (ROP3 - 104218) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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