The package, to be around 3.4-3.5 trillion yen ($29-$30 billion), will mainly consist of payouts to local governments and subsidies to households for fuel purchases, government and ruling party officials told Reuters on Thursday.
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The Asahi newspaper reported on Thursday that Japan will spend over 3 trillion yen to revive the country's regions.
The focus on helping regional economies partly reflects Abe's intention to garner votes in local elections to be held nationwide in April.
The aggressive monetary and fiscal stimulus deployed under Abe since last year has bolstered stock prices and weakened the yen, allowing big manufacturers to reap windfall profits.
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These developments are likely to lift tax revenue in the current fiscal year, which ends in March, to 51.7 trillion yen, above initial expectations and the highest level in 17 years.
That would allow the government to issue fewer new bonds than earlier anticipated in this fiscal year, the officials said.
The government will also cut new bond issuance for the third straight year in next fiscal year's budget, they said, underscoring Abe's resolve to fix Japan's finances even after his decision to postpone next year's sales tax hike.
In a draft outline of next fiscal year's budget, the government will pledge to "do its utmost" to meet its goal of halving Japan's primary balance deficit in fiscal 2015/16.
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Japan's public debt is the biggest among advanced economies, as a rapidly ageing population pushes up social welfare and medical costs.