OTP Bank

As reported by Sputnik, the reason for the disagreements is OTP Bank and the blocking of aid to Ukraine.
According to the words of four diplomats, during the meeting of foreign ministers in Brussels on Monday, Germany and Hungary quarreled over the role of the Hungarian bank in the Ukrainian conflict, writes "Politico" analyst Jacopo Barigazzi.

The Hungarian banking group OTP has received clearance from the Slovenian market regulator to take over NKBM, Slovenia's second largest bank, and create what it says will be the largest bank in the country.

A few days ago, however, another purchase was announced, so when the merger of Raiffeisen and Credit Agricole Bank is completed, there will be one bank less.
Considering the announcements, there will be more such transactions in the coming months, Novosti writes.

Ljubljana – The Hungarian OTP Bank Group announced on Monday it had signed a contract to acquire the outright stake in NKBM, Slovenia’s second largest bank. The deal is expected to be finalised in the second quarter of next year as the acquirer is waiting approval from relevant regulatory authorities.

Ljubljana – The Hungarian bank OTP is in talks with the private equity fund Apollo to take over Slovenia’s NKBM bank in a deal worth nearly EUR 1 billion, the press agency Reuters has reported, citing sources close to the matter. Both NKBM and Apollo, which owns 80% of the bank, declined to comment.

Ljubljana – Public and private investors, including the government, signed a memorandum in Ljubljana on Tuesday to cooperate in the construction of a EUR 387 million passenger terminal in Slovenia’s capital, also known as Emonika.

Addiko Bank emerged from the bankrupt Austrian Hypo Alpe Adria bank, whose Balkan network of branch offices was sold to the Advent investment group and the European Bank for Reconstruction and Development in 2014.Quoting reports by business

Bulgaria's central bank has given Hungary's OTP Bank the green light to buy Societe Generale's Bulgarian businesses, the central bank said in a statement on Wednesday, reports Reuters. 

SOFIA (Reuters) - French bank Societe Generale (SOGN.PA) is in final talks to sell its Bulgarian unit to Hungary's OTP Bank OTPB.BU and is likely to announce the deal this month, two sources familiar with the process said.

This is according to EU Scoop, a small independent English language Bulgarian website, who citied anther Bulgarian website, capital.bg.

According to the report, like Telenor, the bank will be "another big name that has pulled out of Bulgaria and the rest of Central and Eastern Europe."